faithfully
UK[ˈfeɪθfəli]US[ˈfeɪθfəli]
adv
In a loyal and steadfast manner.
adv
In a manner true to the original or with strict accuracy.
Morpheme Breakdown
faith
ful
ly
faith
trust, belief
ful
adjective suffix
ly
adverb suffix
Etymology
The word "faithfully" is built upon the core Latin noun fidēs, meaning trust, faith, or confidence, which entered English via Old French as "faith." The Germanic adjectival suffix "-ful" was appended to create "faithful," meaning "full of faith" or "characterized by loyalty." Finally, the adverbial suffix "-ly," also of Germanic origin, was added to modify the manner of an action. Thus, the literal progression from "full of trust" to describing a loyal action encapsulates the word's journey from a concrete concept of belief to an abstract descriptor of steadfast conduct and accurate reproduction.
Analysis
Structure: faith (trust, belief) + ful (adjective suffix) + ly (adverb suffix)
faith: From Old French feid, feit, from Latin fidēs (trust, faith, confidence). The core semantic element.
ful: A Germanic suffix (from Old English -full) used to form adjectives meaning "full of" or "characterized by."
ly: A Germanic suffix (from Old English -līce) used to form adverbs from adjectives.
Examples
The dog waited faithfully by the door for its owner's return.
She promised to execute the will faithfully according to the deceased's wishes.
The translator worked to render the ancient text faithfully into modern English.